About: http://webisa.webdatacommons.org/249135891

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Some materials, such as beads of activated carbon, silica, controlled pore glass are self supportive and do not need to be incorporated into a media.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com